As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE, THE IGNITER FIRING TIP OF THE CENTER ELECTRODE WAS FOUND LOOSE. THE IGNITER IS AN EXTENDED LIFE IRIDIUM IGNITER. THIS WAS A NON-SERIALIZED IGNITER, BUT THE 'TST' INDICATES PREVIOUS SPECIAL TESTING FOR LOOSE CENTER ELECTRODE WAS COMPLIED WITH BY CHAMPION, THE MANUFACTURER.